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Finding the Fourth Proportional to 16,295.25, 22,486.37 and 9,123.92

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Solution

The fourth proportional to 16,295.25, 22,486.37 and 9,123.92 is: 12,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,295.25 : 22,486.37 = 9,123.92 : x
  2. Step 2: Convert to fraction form
    16,295.25/22,486.37 = 9,123.92/x
  3. Step 3: Cross multiply
    16,295.25x = 22,486.37 × 9,123.92
  4. Step 4: Simplify right side
    16,295.25x = 205,163,682.92
  5. Step 5: Solve for x
    x = 205,163,682.92/16,295.25
  6. Step 6: Final answer
    x = 12,590.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.